Use the fact that you have a distribution with a mean of M = 20 and a standard deviation of s = 2 to answer the following items:   A- Find the z-scores that correspond to the following X-values X = 14 X = 30   B. Find the X-values that correspond to the following z-scores z = -1.25 z = 0.75

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  1. Use the fact that you have a distribution with a mean of M = 20 and a standard deviation of s = 2 to answer the following items:

 

A- Find the z-scores that correspond to the following X-values

    1. X = 14
    2. X = 30

 

B. Find the X-values that correspond to the following z-scores

    1. z = -1.25
    2. z = 0.75
Expert Solution
Step 1

Solution:

Let X be the random variable.

From the given information, X follows normal distribution with mean M=20 and a standard deviation s=2.

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